TY JOUR TI Assessment of status, problems and trends in development of tourist service market in Russian regions in terms of COVID-19 pandemic KW COVID-19 pandemic KW tourist service market KW hospitality industry KW tourist potential KW regional economy KW information asymmetry JO Vestnik of Astrakhan State Technical University. Series: Economics AU Morozova, I.. AU Gushchina, E.. AU Aleksikova, Y.. AU Goncharova, A.. PY 2021 IS PB Astrakhan State Technical University